Trends

3.59

SNDi (2020)

140 km

Total street network

1975–2020

Analysis period

Disconnectedness burden of street construction in Neqab

▸ Hover over bars to see values

SNDi
0
1
2
3
4
<1975
1976–1990
1991–2005
2006–2020

The chart above shows, for each construction period in Neqab, the SNDi of new street additions (bar height) and the volume added (bar width), so that bar area reflects the total disconnectedness burden of that period's construction. The 1975 period contributed the greatest disconnectedness burden, with 82 km of street added at an SNDi of 4.15. Overall, the SNDi of new street additions was at its lowest in 1991-2005.

Most recent snapshot

Taking into account the entire (i.e. aggregate) street network in Neqab as of 2020, the overall level of street-network sprawl is 3.59, which is relatively sprawly.

Trends in street network construction

The SNDis of street construction for the respective time periods are 4.15, 3.43, 2.78 and 3.23. The disconnectivity of new streets constructed in Neqab fell, then rose. In 1991-2005, new street layouts were the most connected.

Quantity of street network construction

The street network in Neqab spans a total of 140 kilometers. It is dominated by roads constructed prior to 1975. These roads have an SNDi of 4.15, which is sprawly.

Effect on the aggregate network

New construction in each period adds to the total stock of streets, but does not change streets that have already been built. Therefore, it has a limited effect on the street network as a whole. The SNDis of the aggregate street network in the respective time periods are 4.15, 4.05, 3.6 and 3.59. Overall, the SNDi of the aggregate street network has fallen: the street network in Neqab has become more connected.